Php Developer jobs in United Kingdom

City of London, United Kingdom | Posted on 05/02/2026

Contract Job Title: Front End Developer, Engineering, Defence & Security (DV clearance required)

Contract Start Date:March 2026

Contract Length: 12 months, with potential extension

Contract Classification: Inside IR25

Contract Location: London, Bristol or Manchester with hybrid working (2/3 days in the office)

** Mandatory requirement: Must have DV Clearance **

Role Overview:

We are proud of the impact we have with our Defence & Security clients, the strength of our relationships, and the variety of our skills and expertise that we bring to help them achieve their mission. We’re growing our teams across all of Technology and Transformation.

If you are cleared DV level, we are very keen to hear from you.

Are you able to guide defense users through complex technology challenges, and rapidly develop new solutions to meet defence needs? We are looking for individuals to help digitise defense with new thinking on technology capabilities and adoption processes, and someone who is sensitively able to combine the latest thinking with traditional military functions.

You will guide our clients through their digital journey from strategy through to a working and breathing environment supporting their most critical services.

You will work with colleagues across back and front-end developers, creatives and UX experts, integration teams and the client themselves.

Key Responsibilities:

• Collaborate with designers to translate design mockups and wireframes into interactive and visually appealing user interfaces
  
• Conduct thorough testing and debugging to identify and resolve front-end issues and ensure a seamless user experience
  
• Collaborate with back-end developers to integrate front-end solutions with server-side functionality
  
• Stay up-to-date with the latest front-end development trends, technologies, and best practices
  
• Participate in code reviews to ensure code quality, maintainability, and adherence to coding standards
  
• Collaborate with cross-functional teams to understand project requirements and contribute to technical discussions
  
• Assist in identifying and implementing front-end development process improvements to enhance efficiency and productivity.
  

• All applicants must hold UK security clearance to Developed Vetting level.
  
• Candidates will have hands on experience with one or more technologies relevant to these areas:
  
• Proven experience as a Front-End Developer, with a strong portfolio showcasing your front-end development skills.
  
• Experience with version control systems, such as Git, and front-end build tools like Webpack or Gulp
  
• Familiarity with UI/UX design principles and the ability to collaborate effectively with designers
  
• Strong problem-solving skills and the ability to debug and resolve front-end issues efficiently
  
• Excellent attention to detail and a commitment to delivering high-quality code
  
• Strong communication and interpersonal skills, with the ability to work collaboratively in a team environment
  
• Continuous learning mindset and a passion for staying up to date with the latest front